The solar hot water tank is the connection point between the solar heat collection system and the solar hot water supply system. Each solar heat collection subsystem is equipped with 2 solar heat collection circulation pumps, one for use and one for standby, for a total of 4 sets of solar heat collection circulation pumps, the system solar hot water supply is equipped with 2 sets; of solar hot water supply pumps, one for use and one on standby.
Two manual shut-off valves are installed on the loop of the solar hot water supply system to switch the water supply function between winter and other three seasons. Valve 1 is open in winter and closed the other. three seasons. The Road solar hot water loop heat pump loop; valve 2 is closed in winter and open the other three seasons, and the water chsolar aude supplies the domestic hot water loop. This allows the solar hot water to provide domestic hot water in winter and serve as the primary source of heat for the water ring heat pump during the other three seasons.